package class06;

/**
 * @description:
 * @time: 2021/7/17 13:54
 * @author: lhy
 */
public class TreeNode {
      public int val;
      public TreeNode left;
      public TreeNode right;
      public TreeNode() {}
      public TreeNode(int val) {
          this.val = val;
      }
      public TreeNode(int val, TreeNode left, TreeNode right) {
          this.val = val;
          this.left = left;
          this.right = right;
      }
}
